133285972533 has 16 divisors (see below), whose sum is σ = 205384487040. Its totient is φ = 75307643136.

The previous prime is 133285972517. The next prime is 133285972537. The reversal of 133285972533 is 335279582331.

It is not a de Polignac number, because 133285972533 - 2⁴ = 133285972517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133285972537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35655160 + ... + 35658897.

It is an arithmetic number, because the mean of its divisors is an integer number (12836530440).

Almost surely, 2^133285972533 is an apocalyptic number.

It is an amenable number.

133285972533 is a deficient number, since it is larger than the sum of its proper divisors (72098514507).

133285972533 is an equidigital number, since it uses as much as digits as its factorization.

133285972533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71314156.

The product of its digits is 4082400, while the sum is 51.

The spelling of 133285972533 in words is "one hundred thirty-three billion, two hundred eighty-five million, nine hundred seventy-two thousand, five hundred thirty-three".